package tk.leafotto.ssm.utils;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class UserAuth implements HandlerInterceptor{

    @Override
    public boolean preHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o) throws Exception {
        String remoteAddr = httpServletRequest.getRemoteAddr();
        if("0:0:0:0:0:0:0:1".equals(remoteAddr) || "127.0.0.1".equals(remoteAddr)){
            return true;
        }
        HttpSession session = httpServletRequest.getSession();
        Object stu = session.getAttribute("user");
        if( stu == null ){
            httpServletResponse.getWriter().append("unlogin");
//            httpServletResponse.sendRedirect("/index.jsp");
            return false;
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Object o, Exception e) throws Exception {

    }
}
